LCOV - code coverage report
Current view: top level - libdwfl - dwfl_nextcu.c (source / functions) Hit Total Coverage
Test: elfutils-0.191 Lines: 25 27 92.6 %
Date: 2024-07-23 19:52:03 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 14 20 70.0 %

           Branch data     Line data    Source code
       1                 :            : /* Iterate through DWARF compilation units across all modules.
       2                 :            :    Copyright (C) 2005-2010 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            : 
       5                 :            :    This file is free software; you can redistribute it and/or modify
       6                 :            :    it under the terms of either
       7                 :            : 
       8                 :            :      * the GNU Lesser General Public License as published by the Free
       9                 :            :        Software Foundation; either version 3 of the License, or (at
      10                 :            :        your option) any later version
      11                 :            : 
      12                 :            :    or
      13                 :            : 
      14                 :            :      * the GNU General Public License as published by the Free
      15                 :            :        Software Foundation; either version 2 of the License, or (at
      16                 :            :        your option) any later version
      17                 :            : 
      18                 :            :    or both in parallel, as here.
      19                 :            : 
      20                 :            :    elfutils is distributed in the hope that it will be useful, but
      21                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23                 :            :    General Public License for more details.
      24                 :            : 
      25                 :            :    You should have received copies of the GNU General Public License and
      26                 :            :    the GNU Lesser General Public License along with this program.  If
      27                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      28                 :            : 
      29                 :            : #ifdef HAVE_CONFIG_H
      30                 :            : # include <config.h>
      31                 :            : #endif
      32                 :            : 
      33                 :            : #include "libdwflP.h"
      34                 :            : 
      35                 :            : Dwarf_Die *
      36                 :      19618 : dwfl_nextcu (Dwfl *dwfl, Dwarf_Die *lastcu, Dwarf_Addr *bias)
      37                 :            : {
      38         [ -  + ]:      19618 :   if (dwfl == NULL)
      39                 :            :     return NULL;
      40                 :            : 
      41                 :      19618 :   struct dwfl_cu *cu = (struct dwfl_cu *) lastcu;
      42                 :      19618 :   Dwfl_Module *mod;
      43                 :            : 
      44         [ +  + ]:      19618 :   if (cu == NULL)
      45                 :            :     {
      46                 :        170 :       mod = dwfl->modulelist;
      47                 :        170 :       goto nextmod;
      48                 :            :     }
      49                 :            :   else
      50                 :      19448 :     mod = cu->mod;
      51                 :            : 
      52                 :      19624 :   Dwfl_Error error;
      53                 :      19624 :   do
      54                 :            :     {
      55                 :      19624 :       error = __libdwfl_nextcu (mod, cu, &cu);
      56         [ +  - ]:      19624 :       if (error != DWFL_E_NOERROR)
      57                 :            :         break;
      58                 :            : 
      59         [ +  + ]:      19624 :       if (cu != NULL)
      60                 :            :         {
      61                 :      19448 :           *bias = dwfl_adjusted_dwarf_addr (mod, 0);
      62                 :      19448 :           return &cu->die;
      63                 :            :         }
      64                 :            : 
      65                 :        182 :       do
      66                 :            :         {
      67                 :        182 :           mod = mod->next;
      68                 :            : 
      69                 :        352 :         nextmod:
      70         [ +  + ]:        352 :           if (mod == NULL)
      71                 :            :             return NULL;
      72                 :            : 
      73         [ +  - ]:        182 :           if (mod->dwerr == DWFL_E_NOERROR
      74         [ +  - ]:        182 :               && (mod->dw != NULL
      75         [ +  + ]:        182 :                   || INTUSE(dwfl_module_getdwarf) (mod, bias) != NULL))
      76                 :            :             break;
      77                 :            :         }
      78         [ +  - ]:          6 :       while (mod->dwerr == DWFL_E_NO_DWARF);
      79                 :        176 :       error = mod->dwerr;
      80                 :            :     }
      81         [ +  - ]:        176 :   while (error == DWFL_E_NOERROR);
      82                 :            : 
      83                 :          0 :   __libdwfl_seterrno (error);
      84                 :          0 :   return NULL;
      85                 :            : }
      86                 :            : INTDEF (dwfl_nextcu)

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